CN105773995B - The liquid resinous defoaming device of one-component and defoaming method - Google Patents

The liquid resinous defoaming device of one-component and defoaming method Download PDF

Info

Publication number
CN105773995B
CN105773995B CN201410816634.4A CN201410816634A CN105773995B CN 105773995 B CN105773995 B CN 105773995B CN 201410816634 A CN201410816634 A CN 201410816634A CN 105773995 B CN105773995 B CN 105773995B
Authority
CN
China
Prior art keywords
defoaming device
liquid
component
defoaming
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410816634.4A
Other languages
Chinese (zh)
Other versions
CN105773995A (en
Inventor
丁国彪
卢家骐
曲辉
文景波
闫少轶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SinoMaterial Technology (Xilinguole) Wind Power Blade Co., Ltd.
Original Assignee
Sinoma Technology (jiuquan) Wind Turbine Blade Co Ltd
Sinomatech Wind Power Blade Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinoma Technology (jiuquan) Wind Turbine Blade Co Ltd, Sinomatech Wind Power Blade Co Ltd filed Critical Sinoma Technology (jiuquan) Wind Turbine Blade Co Ltd
Priority to CN201410816634.4A priority Critical patent/CN105773995B/en
Publication of CN105773995A publication Critical patent/CN105773995A/en
Application granted granted Critical
Publication of CN105773995B publication Critical patent/CN105773995B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Degasification And Air Bubble Elimination (AREA)

Abstract

The present invention provides a kind of liquid resinous defoaming devices of one-component, including:Feeding-passage;Heating system, the heating system have heating flow channel;Defoaming device;Vacuum system;Tapping channel;The feeding-passage is connect with the heating flow channel of the heating system, and the heating flow channel of the heating system is connect with the defoaming device, and the defoaming device is connect with the tapping channel, and the vacuum system provides vacuum environment for the defoaming device.The present invention also provides the defoaming methods carried out using above-mentioned apparatus.The present invention extends the operable time of liquid resin perfusion, avoids solidification risk.

Description

The liquid resinous defoaming device of one-component and defoaming method
Technical field
The present invention relates to liquid molding resin fields, and in particular to the liquid resinous defoaming device of one-component and deaeration side Method.
Background technology
Liquid resin has bulk gas during production and transport to be taken and wraps up in into liquid internal, during form, Gas enters with liquid resin and stays in product zone, causes molding product part resin content relatively low, product surface Hickie is shown as, the quality and service life of wind electricity blade are influenced.Therefore, it is necessary to remove gas in resin before priming by vacuum, To ensure the quality of vacuum infusion molding product.
Currently used is that the liquefied mixture of resin and curing agent is placed into vacuum tank to be kept for certain time so that Gas removal in liquefied mixture.With the method deaeration efficiency of vacuum tank removing resin and curing agent liquefied mixture bubble compared with It is low, the rate of flooding demand of megawatt grade blade cannot be met, when form needs frequently to close after injected rubber hose waits for deaeration Resin equally influences pouring quality, loses more than gain;In addition deaeration again after resin is mixed with curing agent, increases operating time, meeting Cause liquid resin gel, viscosity rapidly to increase and finally cure, is no longer available for vacuum infusion molding.
As the improvement to vacuum tank defoaming method, in denomination of invention:It is " a kind of for composite vacuum perfusion molding Liquid resin defoaming method and device ", the patent No.:201010595145.2 Chinese invention patent in, disclose a kind of vacuum The continuous defoaming method of pouring and forming process liquid resin, mixes liquid resin, and make mixed liquid resin into Enter the defoaming device of a built-in multi-layer helical laminar flow plate, defoaming device is lasting vacuum state, mixed liquid resin Continue to flow through from the multi-layer helical laminar flow plate in defoaming device, so that liquid resinous surface area is increased, even if liquid resin liquid level Becoming a minimum thin layer of thickness, the pressure difference in defoaming device amplifies the bubble volume moment being mixed into liquid resin, and By lasting vacuum rapidly by these removal of bubbles, the liquid resin handled by deaeration is direct by liquid resin runner channel It is connected to composite material priming by vacuum scene, molding is irrigated in vacuum state to composite product, realizes liquid resin Deaeration, perfusion integration.
But above-mentioned patent has the following defects:First, it is still generally resin and curing agent to liquid resinous mixing The two-component liquefied mixture being mixed to form, this two-component liquefied mixture need to keep low temperature in the deaeration process, otherwise liquid State mixture has gel, cured risk, and the general two-component resin for adding curing agent is placed about in about 25 DEG C of room temperature 40min starts the gel that generates heat, and can not use, this makes the time that resin is in liquid shorter, i.e., deaeration in filling process Operable time it is shorter;Secondly as resin compound flows through multi-layer helical laminar flow plate by its own gravity, resin is mixed under low temperature It is larger to close object viscosity, is unable to fully disperse so that thickness of liquid film is thicker, and the bubble tension in the resin liquid film of dispersion is larger, nothing Method fully removes, and influences deaeration effect;Again, deaeration after being mixed with curing agent because of resin, therefore the pipeline of input and output material and deaeration Device is needing to clean every time after use, otherwise resin and meeting block system after curing agent mixture solidification so that equipment can not Normal use, and cleaning system needs the resin with one-component, not only wastes raw material, but also be a very cumbersome work Make, cleaning not exclusively equally exists risk;Finally, it works continuously by artificially judging, manually controls in vacuum defoamation system Valve realizes that individual operations have differences, and cause the homogeneity of product of final form not strong, quality cannot be guaranteed.
Invention content
The purpose of the present invention is overcoming drawbacks described above, provide that a kind of operable time is longer and the better liquid of deaeration effect The defoaming device and defoaming method of resin.
To achieve the above object, the embodiment provides following technical solutions:
A kind of liquid resinous defoaming device of one-component, including:Feeding-passage;Heating system, the heating system have Heating flow channel;Defoaming device;Vacuum system;Tapping channel;The feeding-passage is connect with the heating flow channel of the heating system, The heating flow channel of the heating system is connect with the defoaming device, and the defoaming device is connect with the tapping channel, described Vacuum system provides vacuum environment for the defoaming device.
Preferably, the defoaming device includes Debubbling tank, rotary tripper, the rotary tripper and the heating system Heating flow channel connection, and the rotary tripper be located at the Debubbling tank top.
Preferably, there is the rotary tripper material separating disc, the material separating disc to have pan portion and in the pan portion Multiple teeth portion, spaced formation sub-material channel between the teeth portion, the pan portion in the radial direction, the sub-material channel It becomes narrow gradually.
Preferably, the vacuum system includes vacuum pump and surge tank, the vacuum pump by the surge tank with it is described Debubbling tank connects.
Preferably, the liquid resinous defoaming device of above-mentioned one-component further includes control system, and the vacuum system is equipped with pressure Force snesor, the defoaming device are equipped with liquid level sensor, and the feeding-passage is equipped with feed rate regulating valve, the control system System controls the closing of the feed rate regulating valve according to the signal for coming from the pressure sensor and the liquid level sensor.
Preferably, the liquid resinous defoaming device of above-mentioned one-component further includes diaphragm pump, the diaphragm pump and the discharging Channel is connected to allow one-component liquid resin unidirectionally to be flowed out out of described defoaming device, and the working frequency of the diaphragm pump is bullied The control of dynamic three linked piece.
Preferably, the liquid resinous defoaming device of above-mentioned one-component further includes return line, and the return line is connected to institute State tapping channel and the feeding-passage.
A kind of liquid resinous defoaming method of one-component, including:One-component liquid resin is heated;After making heating The defoaming device that the one-component liquid resin enters in vacuum environment carries out deaeration;By the one-component liquid tree after deaeration Fat is discharged.
Preferably, the defoaming device includes Debubbling tank and rotary tripper, the one-component liquid resin after heating It into the rotary tripper and is dispersed into liquid film by the rotary tripper to get rid of to the inner wall of the Debubbling tank, then the liquid Film glides along the inner wall of the Debubbling tank and carries out deaeration under the effect of gravity.
Preferably, when the one-component liquid resin deaeration is incomplete, using return line by the one-component liquid of discharge State resin imports the defoaming device again;When needing to carry out different resins switching, new resin is imported into the Debubbling tank And multiple wash cycles are carried out using return line.
The present invention is to carry out deaeration to one-component liquid resin, without being maintained at low temperature, on the contrary, using heating system to list Component liquid resin is heated so that resin temperature increases, and is maintained at the time length of side of liquid condition, i.e., can in filling process The operating time length of side, while viscosity reduces after resin temperature raising, reduces the bubble tension in resin liquid film, improves deaeration Effect.
Further, the one-component liquid resin after heating carries out sub-material using rotary tripper, utilizes rotary tripper Centrifugal force obtain liquid film thickness, than in the prior art utilize multi-layer helical laminar flow plate formed thickness of liquid film it is lower.Liquid film It glides, is come into full contact with the vacuum in tank during downslide so that bubbles burst, gas pass through true along tank skin under the effect of gravity Empty set system is removed, and in the process since thickness of liquid film is lower, the tension of bubble also reduces in liquid film, further increases Deaeration effect.
Further, the sub-material channel narrows on material separating disc, can play the role of making resin dispersion uniformly.
Further, the surge tank between vacuum pump and Debubbling tank can collect the resin extracted out in Debubbling tank, prevent from setting Fat enters in vacuum pump.
Further, the liquid level sensor in Debubbling tank can monitor the liquid level upper limit in Debubbling tank, on liquid level reaches Control system can close valve and the alarm of feeding-passage in limited time, and the pressure sensor in vacuum system can monitor deaeration Pressure in tank is simultaneously adjusted by control system.
Further, one-component liquid resin is discharged by diaphragm pump, diaphragm pump can be controlled by pneumatic triple piece Working frequency realizes the continuous defoaming operation of resin to control the discharge rate of deaeration resin.
Further, the incomplete resin of deaeration is guided by bulb apparatus back off using return line, can ensures deaeration rate It further increases, and when switching resin, new resin can be carried out repeatedly cycle by return line and ensure cleaning completely simultaneously And the environmental protection that saves material.
Description of the drawings
Next specific embodiments of the present invention will be described in further details in conjunction with attached drawing, wherein:
Fig. 1 is the structural schematic diagram of the liquid resinous defoaming device of one-component of the embodiment of the present invention;
Fig. 2 is the fundamental diagram of the liquid resinous defoaming device of one-component of the embodiment of the present invention;
Fig. 3 is the stereogram of the rotary tripper in Fig. 2;
Fig. 4 is the sectional view of the rotary tripper in Fig. 3;
Fig. 5 is the stereogram of the material separating disc in Fig. 4;
Fig. 6 is the vertical view of the material separating disc in Fig. 5.
Specific implementation mode
In conjunction with Fig. 1, Fig. 2, the liquid resinous defoaming device of one-component in the present embodiment is mounted on machine as a whole On frame 1, including feeding-passage 2;Heating system 3, the heating system 3 can be the common ptc heater with heating flow channel 31, The plate heat exchanger etc. heated using fluid media (medium);Defoaming device 4, the defoaming device 4 are equipped with rotary tripper 5;Very Empty set system 7;Tapping channel 6;Control system 8;Diaphragm pump 9 etc..Feeding-passage 2 is connect with the heating flow channel 31 of heating system 3, is added The heating flow channel 31 of hot systems 3 is connect with defoaming device 4 again, and defoaming device 4 is connect with tapping channel 6 again, and vacuum system 7 is de- Bulb apparatus 4 provides vacuum environment.Return line 12 is connected to tapping channel 6 and feeding-passage 2, and return valve under normal circumstances 11 close the conducting prevented between feeding-passage 2 and tapping channel 6.
It is apparent by Fig. 2 as it can be seen that defoaming device 4 include Debubbling tank 41 and rotary tripper 5, the rotary tripper 5 with plus The heating flow channel 31 of hot systems 3 is connected by feeding-passage 2, and rotary tripper 5 is located at the top of Debubbling tank 41, rotation point The material separating disc 51 of glassware 5 stretches into the inside of Debubbling tank 41.Under the driving of the external power supplies such as motor or air motor, rotation Tripper 5 can high speed rotation, and then material separating disc 51 41 inner high speed of Debubbling tank rotate.In the present embodiment, vacuum system 7 Including vacuum pump 72 and surge tank 71, vacuum pump 72 is connect with Debubbling tank 41 again after surge tank 71.In this way, at work, Surge tank 71 between vacuum pump 72 and Debubbling tank 41 can collect the resin extracted out in Debubbling tank 41, prevent resin from entering vacuum In pump 72.Vacuum system 7 is equipped with pressure sensor (not shown), and defoaming device 4 is equipped with liquid level sensor 13, and feeding-passage is equipped with Feed rate regulating valve 10 (pneumatic operated valve), control system 8 is according to the signal control for coming from pressure sensor and liquid level sensor 13 The closing of feed rate regulating valve 10 processed.Liquid level sensor 13 in Debubbling tank 41 can monitor in Debubbling tank in 41 liquid level Limit, when liquid level reaches the upper limit, control system 8 can close valve and the alarm of feeding-passage 2, and the pressure in vacuum system 7 Sensor can monitor the pressure in Debubbling tank 41 and is adjusted by control system 8.Diaphragm pump 9 is connect with tapping channel 6 To allow the one-component liquid resin after deaeration unidirectionally to be flowed out out of defoaming device 4, and the working frequency of diaphragm pump 6 is by pneumatic The continuous defoaming of resin is realized in the control of three linked piece.Pneumatic triple piece is pneumatic component commonly used in the art, concrete structure sheet Text is no longer described in detail.Return line 12 is connected to tapping channel 6 and feeding-passage 2.
In conjunction with Fig. 3 to Fig. 6 as it can be seen that rotary tripper 5 has material separating disc 51, when motor 53 rotates, in the band of shaft 52 Dynamic lower material separating disc 51 being capable of high speed rotation.Material separating disc 51 has pan portion 510 and multiple teeth portion 511 in pan portion 510.Every two Spaced formation sub-material channel 512 between a adjacent teeth portion 511, and pan portion 510 in the radial direction, sub-material channel 512 become narrow gradually, i.e., sub-material channel 512 is smaller further away from the center width of pan portion 510.Certainly, the rotation of rotary tripper 5 is also It can be driven by air motor, rotating speed can be controlled by pneumatic triple piece at this time.
Fig. 2 is returned to, the liquid resinous flow direction of one-component is indicated with solid line with the arrow in fig. 2, with dotted line with the arrow Indicate gas flow.One-component liquid resin enters the heating flow channel 31 of heating system 3 through feeding-passage 2.In heating flow channel 31 Interior, one-component liquid resin carries out heat exchange with the hot fluid flowed in plate heat exchanger, to make one-component liquid resin quilt Heating;One-component liquid resin after heating enters the material separating disc 51 of rotary tripper 5 by feeding-passage 2, in high speed rotation Material separating disc 51 in, one-component liquid resin is dispersed into liquid film and gets rid of to the inner wall of Debubbling tank 41, then under the influence of centrifugal force Inner wall in vacuum environment of the liquid film in Debubbling tank 41 under the effect of gravity along Debubbling tank 41 glides and carries out deaeration, at this time by The liquid resinous viscosity of one-component after heating significantly reduces, therefore the surface tension of liquid film reduces, and adds material separating disc 51 It is thinner to disperse the liquid film formed, therefore deaeration effect is more preferable;Finally, using diaphragm pump 9 by the one-component liquid tree after deaeration Fat is discharged from tapping channel 6.And one-component liquid resin therefore is not limited, energy since there is no solidification risk by the operating time Longer operable time is enough obtained, and single component liquid resin can be heated to obtain lower viscosity raising deaeration Effect.In the process, when the liquid level sensor 13 in Debubbling tank 41 monitors that the liquid level in Debubbling tank 41 reaches the upper limit, Control system 8 can close the valve 10 of feeding-passage 2 and alarm, to realize automatically controlling for defoaming device.And material separating disc Sub-material channel 512 on 51 becomes narrow gradually, can play make one-component liquid resin resin dispersion evenly, institute at thickness of liquid film Thinner effect.
When one-component liquid resin keeps deaeration incomplete merely through deaeration cycle, return valve 11 is opened, using returning The one-component liquid resin that tapping channel 6 is expelled to from Debubbling tank 41 is imported deaeration dress by flow tube road 12 through feeding-passage 2 again It sets, this can ensure further increasing for deaeration rate.When needing to carry out different resins switching, by new resin through feeding-passage 2 import defoaming device, then realize that repeatedly cycle cleans each pipeline and defoaming device 4 through return line 12, ensure clear Wash the complete and environmental protection that saves material.
Although the present invention is described by above-described embodiment, protection scope of the present invention can not be limited at It in above-described embodiment, and is only limited by claim, equivalent modifications that those skilled in the art do above-described embodiment are replaced It changes and is not construed as leaving protection scope of the present invention.

Claims (7)

1. a kind of liquid resinous defoaming device of one-component, which is characterized in that including:
Feeding-passage;
Heating system, the heating system have heating flow channel;
Defoaming device;
Vacuum system;
Tapping channel;
The feeding-passage is connect with the heating flow channel of the heating system, the heating flow channel of the heating system and the deaeration Device connects, and the defoaming device is connect with the tapping channel, and the vacuum system provides vacuum ring for the defoaming device Border;The defoaming device includes Debubbling tank, rotary tripper, and the rotary tripper and the heating flow channel of the heating system connect It connects, and the rotary tripper is located at the top of the Debubbling tank, there is the rotary tripper material separating disc, the material separating disc to have Pan portion and multiple teeth portion in the pan portion, spaced formation sub-material channel between the teeth portion, in the pan portion In the radial direction, the sub-material channel narrows.
2. the liquid resinous defoaming device of one-component according to claim 1, which is characterized in that the vacuum system includes Vacuum pump and surge tank, the vacuum pump are connect by the surge tank with the Debubbling tank.
3. the liquid resinous defoaming device of one-component according to claim 1, which is characterized in that further include control system, The vacuum system is equipped with pressure sensor, and the defoaming device is equipped with liquid level sensor, and the feeding-passage is equipped with feeding flow Adjustable valve, the control system according to the signal for coming from the pressure sensor and the liquid level sensor control it is described into The closing of stream adjustable valve.
4. the liquid resinous defoaming device of one-component according to claim 3, which is characterized in that further include diaphragm pump, institute Diaphragm pump is stated to be connect with the tapping channel to allow one-component liquid resin unidirectionally to flow out out of described defoaming device, it is described every The working frequency of membrane pump is controlled by pneumatic triple piece.
5. the liquid resinous defoaming device of one-component according to claim 1, which is characterized in that further include return line, The return line is connected to the tapping channel and the feeding-passage.
6. a kind of liquid resinous defoaming method of one-component, which is characterized in that the defoaming method is any using claim 1-5 Defoaming device described in carries out deaeration, including:
One-component liquid resin is heated;
The defoaming device that the one-component liquid resin after heating enters in vacuum environment is set to carry out deaeration;
By the one-component liquid resin discharge after deaeration;
The defoaming device includes Debubbling tank and rotary tripper, and the one-component liquid resin after heating enters the rotation Tripper is simultaneously dispersed into liquid film by the rotary tripper and gets rid of to the inner wall of the Debubbling tank, and then the liquid film is in gravity The inner wall of Debubbling tank described in lower edge glides and carries out deaeration.
7. the liquid resinous defoaming method of one-component according to claim 6, which is characterized in that when the one-component liquid When resin deaeration is incomplete, the one-component liquid resin of discharge is imported by the defoaming device using return line again;When need When carrying out different resins switching, new resin is imported into the Debubbling tank and multiple wash cycles are carried out using return line.
CN201410816634.4A 2014-12-24 2014-12-24 The liquid resinous defoaming device of one-component and defoaming method Active CN105773995B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410816634.4A CN105773995B (en) 2014-12-24 2014-12-24 The liquid resinous defoaming device of one-component and defoaming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410816634.4A CN105773995B (en) 2014-12-24 2014-12-24 The liquid resinous defoaming device of one-component and defoaming method

Publications (2)

Publication Number Publication Date
CN105773995A CN105773995A (en) 2016-07-20
CN105773995B true CN105773995B (en) 2018-08-14

Family

ID=56377540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410816634.4A Active CN105773995B (en) 2014-12-24 2014-12-24 The liquid resinous defoaming device of one-component and defoaming method

Country Status (1)

Country Link
CN (1) CN105773995B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107774016A (en) * 2017-11-29 2018-03-09 东莞市琅菱机械有限公司 A kind of device of online vacuum defoamation
CN108247925A (en) * 2017-12-30 2018-07-06 上海辛帕工业自动化有限公司 A kind of novel online perfusion equipment
CN109200631B (en) * 2018-10-10 2021-03-16 株洲时代新材料科技股份有限公司 Defoaming device, system and method
CN111284041A (en) * 2018-12-06 2020-06-16 中国科学院宁波材料技术与工程研究所 Glue injection equipment and process for glue solution circulation
CN109571832B (en) * 2018-12-14 2023-06-23 洛阳双瑞风电叶片有限公司 Mixed resin defoaming device for wind power blade
CN109513358A (en) * 2018-12-24 2019-03-26 歌尔股份有限公司 A kind of mixed gluing method of high viscosity two-component glue
CN111331883B (en) * 2019-10-29 2021-03-12 上海辛帕智能科技股份有限公司 Defoaming and pouring device and defoaming and pouring method
CN111185032A (en) * 2020-01-13 2020-05-22 苏州瑞意达机械设备有限公司 Efficient and rapid defoaming system
CN111331879B (en) * 2020-01-16 2021-03-12 上海辛帕智能科技股份有限公司 Automatic perfusion method
CN111958898A (en) * 2020-10-23 2020-11-20 上海辛帕工业自动化有限公司 Control circuit, control method and device for automatic blade filling machine
CN114434829B (en) * 2022-02-14 2024-01-19 浙江颢屹汽车技术有限公司 Vacuum introduction process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207866Y (en) * 1994-12-20 1995-09-20 叶成 Collective degasifying apparatus with gas protector
CN203664031U (en) * 2013-12-31 2014-06-25 绵阳世诺科技有限公司 Vacuum bubble centrifugal separation device
CN203816344U (en) * 2014-03-23 2014-09-10 胡森 Vacuum-separating device of fire resistant oil filtering machine
CN104107565A (en) * 2014-07-24 2014-10-22 桂林电器科学研究院有限公司 Defoaming kettle and defoaming method for preparing polyamide acid resin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530902A (en) * 1978-08-17 1980-03-05 Mitsubishi Electric Corp Vaccum defoaming inpregnation and injection mold unit
US5833898A (en) * 1996-10-10 1998-11-10 Albany International Corp. Method for manufacturing resin-impregnated endless belt structures
US7029162B2 (en) * 2002-04-11 2006-04-18 Mobius Technologies, Inc. Process and apparatus for continuous mixing of slurry with removal of entrained bubbles
CN202623036U (en) * 2012-06-12 2012-12-26 无锡东润电子材料科技有限公司 Resin vacuum defoaming mixer
CN203485324U (en) * 2013-09-06 2014-03-19 江西特种变压器厂 Vacuum epoxy resin degassing and mixing tank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2207866Y (en) * 1994-12-20 1995-09-20 叶成 Collective degasifying apparatus with gas protector
CN203664031U (en) * 2013-12-31 2014-06-25 绵阳世诺科技有限公司 Vacuum bubble centrifugal separation device
CN203816344U (en) * 2014-03-23 2014-09-10 胡森 Vacuum-separating device of fire resistant oil filtering machine
CN104107565A (en) * 2014-07-24 2014-10-22 桂林电器科学研究院有限公司 Defoaming kettle and defoaming method for preparing polyamide acid resin

Also Published As

Publication number Publication date
CN105773995A (en) 2016-07-20

Similar Documents

Publication Publication Date Title
CN105773995B (en) The liquid resinous defoaming device of one-component and defoaming method
CN208841802U (en) A kind of extruder with improvement barrel
CN206932941U (en) A kind of livestock-raising feeding reducing mechanism
CN207342703U (en) A kind of resin reaction kettle
CN204196219U (en) A kind of plastic extruder with temperature control equipment
CN207789405U (en) A kind of kneader
CN107538713A (en) A kind of feed arrangement for product of rubber and plastic extruder
CN204953260U (en) High viscosity is defoaming type coating machine for glue
CN207841872U (en) A kind of novel online perfusion equipment
CN207237378U (en) A kind of tin cream production process equipment
CN207237397U (en) Filter-pressing device and filter plant
JP2010132905A (en) Method and system for centrifugal resin degassing
CN205182267U (en) Defoamer
CN108422630A (en) A kind of dehumidifying Anti-blockage injection molding machine
CN212680989U (en) Prevent reation kettle of jam
CN205413418U (en) Novel UV charging system
CN210211013U (en) Feeding device is used in plastic woven sack production
CN108977126A (en) A kind of production line of automobile sealed adhesive
CN209365173U (en) A kind of efficient casting films process units
CN207545891U (en) Counterflow extraction apparatus and plant extracts extraction equipment
CN105538531A (en) Uniform mixing device for preparing high-liquid-content resin powder and application of uniform mixing device
CN205492447U (en) Adjustable inclination's meat products heating cauldron inclines
CN103753765A (en) Injection molding system
CN203916604U (en) A kind of constant temperature granulation device of multicolor finish
CN203440260U (en) Continuous coating equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: 100192 Dongsheng Science Park, Zhongguancun, 66 Xixiaokou Road, Haidian District, Beijing. 9 Floors, Block C, Building 6, Area B, North Territory

Co-patentee after: Sinoma Technology (Jiuquan) wind turbine blade Co., Ltd.

Patentee after: Sinomatech Wind Power Blade Co., Ltd.

Address before: 102101 Badaling Economic Development Zone, Yanqing, East Ring Road, No. 1, No.

Co-patentee before: Sinoma Technology (Jiuquan) wind turbine blade Co., Ltd.

Patentee before: Sinomatech Wind Power Blade Co., Ltd.

CP02 Change in the address of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20191127

Address after: 026000, the Inner Mongolia Autonomous Region Xilinguole Meng Xilinhaote tin Lin Street east wind power plant area

Patentee after: SinoMaterial Technology (Xilinguole) Wind Power Blade Co., Ltd.

Address before: 100192 Dongsheng Science Park, Zhongguancun, 66 Xixiaokou Road, Haidian District, Beijing. 9 Floors, Block C, Building 6, Area B, North Territory

Co-patentee before: China Material Technology (Jiuquan) Wind Power Blade Co., Ltd.

Patentee before: Sinomatech Wind Power Blade Co., Ltd.

TR01 Transfer of patent right